<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404_page</title>
</head>

<body class="bg-purple">

    <div class="stars">
        <div class="custom-navbar">
            <div class="brand-logo">
                <img src="./images/logo.svg" width="80px">
            </div>
            <div class="navbar-links">
                <ul>
                    <li><a href="#" target="_blank">主页</a></li>
                    <li><a href="#" target="_blank">选项一</a></li>
                    <li><a href="#" target="_blank">选项二</a></li>
                    <li><a href="#" class="btn-request" target="_blank">选项三</a></li>
                </ul>
            </div>
        </div>
        <div class="central-body">
            <img class="image-404" src="./images/404.svg" width="300px">
            <a href="#" class="btn-go-home" target="_blank">返回主页</a>
        </div>
        <div class="objects">
            <img class="object_rocket" src="./images/rocket.svg" width="40px">
            <div class="earth-moon">
                <!-- <img class="object_earth" src="./images/" width="100px"> -->
                <img class="object_moon" src="./images/moon.svg" width="80px">
            </div>
            <div class="box_astronaut">
                <img class="object_astronaut" src="./images/astronaut.svg" width="140px">
            </div>
        </div>
        <div class="glowing_stars">
            <div class="star"></div>
            <div class="star"></div>
            <div class="star"></div>
            <div class="star"></div>
            <div class="star"></div>

        </div>

    </div>

</body>

<style>
    

    @-moz-keyframes rocket-movement {
        100% {
            -moz-transform: translate(1200px, -600px);
        }
    }

    @-webkit-keyframes rocket-movement {
        100% {
            -webkit-transform: translate(1200px, -600px);
        }
    }

    @keyframes rocket-movement {
        100% {
            transform: translate(1200px, -600px);
        }
    }

    @-moz-keyframes spin-earth {
        100% {
            -moz-transform: rotate(-360deg);
            transition: transform 20s;
        }
    }

    @-webkit-keyframes spin-earth {
        100% {
            -webkit-transform: rotate(-360deg);
            transition: transform 20s;
        }
    }

    @keyframes spin-earth {
        100% {
            -webkit-transform: rotate(-360deg);
            transform: rotate(-360deg);
            transition: transform 20s;
        }
    }

    @-moz-keyframes move-astronaut {
        100% {
            -moz-transform: translate(-160px, -160px);
        }
    }

    @-webkit-keyframes move-astronaut {
        100% {
            -webkit-transform: translate(-160px, -160px);
        }
    }

    @keyframes move-astronaut {
        100% {
            -webkit-transform: translate(-160px, -160px);
            transform: translate(-160px, -160px);
        }
    }

    @-moz-keyframes rotate-astronaut {
        100% {
            -moz-transform: rotate(-720deg);
        }
    }

    @-webkit-keyframes rotate-astronaut {
        100% {
            -webkit-transform: rotate(-720deg);
        }
    }

    @keyframes rotate-astronaut {
        100% {
            -webkit-transform: rotate(-720deg);
            transform: rotate(-720deg);
        }
    }

    @-moz-keyframes glow-star {
        40% {
            -moz-opacity: 0.3;
        }

        90%,
        100% {
            -moz-opacity: 1;
            -moz-transform: scale(1.2);
        }
    }

    @-webkit-keyframes glow-star {
        40% {
            -webkit-opacity: 0.3;
        }

        90%,
        100% {
            -webkit-opacity: 1;
            -webkit-transform: scale(1.2);
        }
    }

    @keyframes glow-star {
        40% {
            -webkit-opacity: 0.3;
            opacity: 0.3;
        }

        90%,
        100% {
            -webkit-opacity: 1;
            opacity: 1;
            -webkit-transform: scale(1.2);
            transform: scale(1.2);
            border-radius: 999999px;
        }
    }

    .spin-earth-on-hover {

        transition: ease 200s !important;
        transform: rotate(-3600deg) !important;
    }

    html,
    body {
        margin: 0;
        width: 100%;
        height: 100%;
        font-family: 'Times New Roman', Times, serif;
        font-weight: 300;
        -webkit-user-select: none;
        /* Safari 3.1+ */
        -moz-user-select: none;
        /* Firefox 2+ */
        -ms-user-select: none;
        /* IE 10+ */
        user-select: none;
        /* Standard syntax */
    }

    .bg-purple {
        background: url("./images/bg_purple.png");
        background-repeat: repeat-x;
        background-size: cover;
        background-position: left top;
        height: 100%;
        overflow: hidden;

    }

    .custom-navbar {
        padding-top: 15px;
    }

    .brand-logo {
        margin-left: 25px;
        margin-top: 5px;
        display: inline-block;
    }

    .navbar-links {
        display: block;
        float: right;
        margin-right: 15px;
        text-transform: uppercase;


    }

    ul {
        list-style-type: none;
        margin: 0;
        padding: 0;
        /*    overflow: hidden;*/
        display: flex;
        align-items: center;
    }

    li {
        float: left;
        padding: 0px 15px;
    }

    li a {
        display: block;
        color: white;
        text-align: center;
        text-decoration: none;
        letter-spacing: 2px;
        font-size: 12px;

        -webkit-transition: all 0.3s ease-in;
        -moz-transition: all 0.3s ease-in;
        -ms-transition: all 0.3s ease-in;
        -o-transition: all 0.3s ease-in;
        transition: all 0.3s ease-in;
    }

    li a:hover {
        color: #ffcb39;
    }

    .btn-request {
        padding: 10px 25px;
        border: 1px solid #FFCB39;
        border-radius: 100px;
        font-weight: 400;
    }

    .btn-request:hover {
        background-color: #FFCB39;
        color: #fff;
        transform: scale(1.05);
        box-shadow: 0px 20px 20px rgba(0, 0, 0, 0.1);
    }

    .btn-go-home {
        position: relative;
        z-index: 200;
        margin: 15px auto;
        width: 100px;
        padding: 10px 15px;
        border: 1px solid #FFCB39;
        border-radius: 100px;
        font-weight: 400;
        display: block;
        color: white;
        text-align: center;
        text-decoration: none;
        letter-spacing: 2px;
        font-size: 11px;

        -webkit-transition: all 0.3s ease-in;
        -moz-transition: all 0.3s ease-in;
        -ms-transition: all 0.3s ease-in;
        -o-transition: all 0.3s ease-in;
        transition: all 0.3s ease-in;
    }

    .btn-go-home:hover {
        background-color: #FFCB39;
        color: #fff;
        transform: scale(1.05);
        box-shadow: 0px 20px 20px rgba(0, 0, 0, 0.1);
    }

    .central-body {
        /*    width: 100%;*/
        padding: 17% 5% 10% 5%;
        text-align: center;
    }

    .objects img {
        z-index: 90;
        pointer-events: none;
    }

    .object_rocket {
        z-index: 95;
        position: absolute;
        transform: translateX(-50px);
        top: 75%;
        pointer-events: none;
        animation: rocket-movement 200s linear infinite both running;
    }

    .object_earth {
        position: absolute;
        top: 20%;
        left: 15%;
        z-index: 90;
        /*    animation: spin-earth 100s infinite linear both;*/
    }

    .object_moon {
        position: absolute;
        top: 12%;
        left: 25%;
        /*
    transform: rotate(0deg);
    transition: transform ease-in 99999999999s;
*/
    }
    .object_astronaut {
        animation: rotate-astronaut 200s infinite linear both alternate;
    }

    .box_astronaut {
        z-index: 110 !important;
        position: absolute;
        top: 60%;
        right: 20%;
        will-change: transform;
        animation: move-astronaut 50s infinite linear both alternate;
    }

    .image-404 {
        position: relative;
        z-index: 100;
        pointer-events: none;
    }

    .stars {
        background: url(http://salehriaz.com/404Page/img/overlay_stars.svg);
        background-repeat: repeat;
        background-size: contain;
        background-position: left top;
    }

    .glowing_stars .star {
        position: absolute;
        border-radius: 100%;
        background-color: #fff;
        width: 3px;
        height: 3px;
        opacity: 0.3;
        will-change: opacity;
    }

    .glowing_stars .star:nth-child(1) {
        top: 80%;
        left: 25%;
        animation: glow-star 2s infinite ease-in-out alternate 1s;
    }

    .glowing_stars .star:nth-child(2) {
        top: 20%;
        left: 40%;
        animation: glow-star 2s infinite ease-in-out alternate 3s;
    }

    .glowing_stars .star:nth-child(3) {
        top: 25%;
        left: 25%;
        animation: glow-star 2s infinite ease-in-out alternate 5s;
    }

    .glowing_stars .star:nth-child(4) {
        top: 75%;
        left: 80%;
        animation: glow-star 2s infinite ease-in-out alternate 7s;
    }

    .glowing_stars .star:nth-child(5) {
        top: 90%;
        left: 50%;
        animation: glow-star 2s infinite ease-in-out alternate 9s;
    }

    @media only screen and (max-width: 600px) {
        .navbar-links {
            display: none;
        }

        .custom-navbar {
            text-align: center;
        }

        .brand-logo img {
            width: 120px;
        }

        .box_astronaut {
            top: 70%;
        }

        .central-body {
            padding-top: 25%;
        }
    }
</style>

</html>